11.07.2015 Views

Breathing Exercises for Asthma : Evidence and Practice

Breathing Exercises for Asthma : Evidence and Practice

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Prevalence of dysfunctional breathing inpatients treated <strong>for</strong> asthma in primary care:cross-sectional surveyThomas et al BMJ 2001;322:1098 <strong>Evidence</strong> links dysfunctional breathing with asthma <strong>and</strong>respiratory disorders (Howell Thorax 1990) Hyperventilation common in specialist respiratory clinics (Carret al J Pschysom Res 1998) Link between asthma <strong>and</strong> symptomatic hyperventilation inseveral studies (Demeter AJM 1986) 42% of patients in hospital clinic showed evidence ofhyperventilation disorder (McLean AJRCCM 1999) Hyperventilation may complicate <strong>and</strong> compound asthmapresentation (Han AJRCCM 1999)

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